10 Sci-Fi Technologies That Already Exist

If we are to believe Hollywood, the future is a scary place. There are giant aliens, swarms of aliens and Nazis living on the moon, and all of them want to hurt us. But did you know, the future doesn't have to be that scary, in fact, the future doesn't even have to be hundreds of years away.

Hollywood isn't just a scaremongering movie machine though. In fact, Hollywood science fiction has served as an inspiration for some of our planet's brightest sparks.Scientific advances have meant that technologies once thought of as pure science fiction are starting to become a reality. Here are 10 of the mind-blowing technologies that have broken free of fiction and entered the realm of reality.